Cheap Flights To Grassy Key 2026

Grassy Key Flights as Low as $187

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 17 - Sat, Nov 21
GSP
Greenville-Spartanburg Intl.
MIA
Miami Intl.
$187
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 17 from Greenville-Spartanburg Intl. to Miami Intl., returning Sat, Nov 21, priced at $187 found 6 days ago
Delta
Tue, Nov 17 - Sat, Nov 21
GSP
Greenville-Spartanburg Intl.
MIA
Miami Intl.
$267
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 17 from Greenville-Spartanburg Intl. to Miami Intl., returning Sat, Nov 21, priced at $267 found 6 days ago
Delta
Tue, Nov 17 - Sat, Nov 21
GSP
Greenville-Spartanburg Intl.
MIA
Miami Intl.
$277
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 17 from Greenville-Spartanburg Intl. to Miami Intl., returning Sat, Nov 21, priced at $277 found 6 days ago
Delta
Sat, Oct 24 - Wed, Oct 28
GSP
Greenville-Spartanburg Intl.
EYW
Key West Intl.
$303
Roundtrip
found 23 hours ago
Select Delta flight, departing Sat, Oct 24 from Greenville-Spartanburg Intl. to Key West Intl., returning Wed, Oct 28, priced at $303 found 23 hours ago
Southwest Airlines
Delta
Tue, Nov 17 - Sat, Nov 21
GSP
Greenville-Spartanburg Intl.
MIA
Miami Intl.
$307
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 17 from Greenville-Spartanburg Intl. to Miami Intl., returning Sat, Nov 21, priced at $307 found 6 days ago
American Airlines
Delta
Fri, Oct 23 - Wed, Oct 28
GSP
Greenville-Spartanburg Intl.
EYW
Key West Intl.
$311
Roundtrip
found 23 hours ago
Select Delta flight, departing Fri, Oct 23 from Greenville-Spartanburg Intl. to Key West Intl., returning Wed, Oct 28, priced at $311 found 23 hours ago
Delta
Tue, Nov 17 - Sat, Nov 21
GSP
Greenville-Spartanburg Intl.
MIA
Miami Intl.
$317
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 17 from Greenville-Spartanburg Intl. to Miami Intl., returning Sat, Nov 21, priced at $317 found 6 days ago
Delta
American Airlines
American Airlines
Southwest Airlines
Southwest Airlines
Delta
Fri, Oct 23 - Thu, Oct 29
CAE
Columbia Metropolitan
EYW
Key West Intl.
$335
Roundtrip
found 23 hours ago
Select Delta flight, departing Fri, Oct 23 from Columbia Metropolitan to Key West Intl., returning Thu, Oct 29, priced at $335 found 23 hours ago
United

Flights

No matter how much you fight the travel bug, sometimes there's only one solution—to hop on the next plane to . AARP Travel Center Powered by Expedia® is here to help you cure that bug with great deals on flights and activities. AARP Travel features their members-only discount with the best rates from Expedia, so members get the best price in travel, guaranteed. AARP members pay no booking fees on flights, and often receive exclusive rates on hotels and car rentals.

Once you have entered your destination and departure point, we will show you a full list of deals for your route. Don't forget to look at flights to alternative airports nearby, which can help you find a lower rate.

Airport Transportation

Once you've reserved plane tickets to with AARP Travel, you may want to book a car so you can get around on your own. You can schedule rental cars under our cars tab and get into the car right when you step out of the airport. If you would prefer public transportation, check out the Metropolitan Transit System bus, or if there's trolleys or Amtrak stations nearby.

Things to Do in

Not sure where to start? Not to worry—there's plenty to do in this city. No matter what you decide to do with your time, you're sure to have fun in this city.

If you're looking for some fun activities to do in , make sure you look at our "Things to Do in Grassy Key" page for excursions and activities for the whole family.

Book Your Hotel in

has accommodation options in the area, make sure you check out our hotel listings tab for some great recommendations from past visitors. No matter where you stay, just remember that you will get the best price out there when you book with AARP Travel.

Book Your Trip to

Once you have planned your travel dates, allow us here at AARP Travel to connect you with affordable tickets to . There is no better time than now to start booking that next trip. Book one of our flights today.